Portable shelter



FIG. 1 is a front quarter perspective view of the shelter according to the invention.

FIG. 2 is a front end view of the shelter of FIG. 1.

FIG. 3 is a rear end view of the shelter of FIG. 1.

FIG. 4 is a right side view of the shelter of FIG. 1, and also a mirror image of the left side view of the shelter of FIG. 1.

FIG. 5 is a top view of the shelter of FIG. 1; and,

FIG. 6 is a bottom view of the shelter of FIG. 1. 

We claim the ornamental design for a portable shelter, as shown and described. 